Sanguine Simulacrum

Bloodthirsty (When this creature deals combat damage, create a Blood token.)

When Sanguine Simulacrum enters, exile up to two target non-Ooze creatures an opponent controls until Sanguine Simulacrum leaves.

Sacrifice X Blood Tokens: Put one target creature card with mana value X exiled with Sanguine Simulacrum into its owner's graveyard.